A steel ball of mass 1 kg of specific heat 0.4 kJ/ kgK

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A steel ball of mass 1 kg of specific heat 0.4 kJ/ kgK is at a temperature of 60°C. It is dropped into 1 kg water at 20°C. The final steady state temperature of water is

1. 23.5°C
2. 30°C
3. 35°C
4. 40°C
5. None of these

Correct Option: E

N/A